Optimization of all-optical MX resonance in Cs in ultra-weak fields yields 4x sensitivity gain to 3 fT/Hz^{1/2} via partial spin-exchange suppression, with a semi-empirical model for incomplete broadening.
Alem et al., An Integrated Full -Head OPM -MEG System Based on 128 Zero -Field Sensors , Frontiers in Neuroscience 17, 1014 (2023)
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Ultimate parameters of an all-optical MX resonance in Cs in ultra-weak magnetic field
Optimization of all-optical MX resonance in Cs in ultra-weak fields yields 4x sensitivity gain to 3 fT/Hz^{1/2} via partial spin-exchange suppression, with a semi-empirical model for incomplete broadening.